. >> thanks for being here. president obama got a standing ovation after his speech was done. your thoughts? >> it was a powerful, powerful speech. the president really drawing into themes about mandela's own personal inspiration to him as a young college student, becoming active in politics and world affairs because of the struggles of apartheid and it really was classic obama to a great extent. he really was hitting the rhetorical notes and hat the crowd clearing. it was a proud moment. >> there were a lot of great moments to see, like four american presidents were there, all together, that was a beautiful thing to see. 100 world leaders, of all political stripes, that was great to see. all in one place. and then there was this moment with president obama shaking hands with raul castro, who is, of course, the president of cuba, as you know, john, the united states and cuba aren't exactly the best of friends so this moment took a lot of people by surprise. >> yeah. i guess there are two ways to read that. one is awkward. the other way is look, mandela is bringing people toget